package c4.Example1;
class Animal {
    private  String name;
    private int age;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name =name;
    }
    public int getAge(){
        return age;
    }
    public void setAge (int age) {
        this.age = age;
    }
}
class  Dog extends Animal {

}
public class Example1 {
    public static void main(String[] args) {
        Dog dog =new Dog();
        dog.setName("牧羊犬");
        dog.setAge (3);
        System.out.println("名称："+dog.getName()+",年龄："+dog.getAge());
    }
}
